package controller;

import jakarta.servlet.http.HttpSession;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import pojo.User;
import service.UserService;
import util.Page;

import java.util.List;

@Controller
@RequestMapping("/user")
public class UserController {

    @Autowired
    private UserService userService;

    @RequestMapping("/login")
    public String login(User user, HttpSession session){
        boolean flag=userService.login(user);
        if(flag){
            session.setAttribute("user",user);
            return "index";
        }else{
            return "login";
        }
    }



    @RequestMapping("/list/{currentPage}")
    public String findAll(User user,@PathVariable("currentPage")int currentPage, Model model){
        Page page=new Page();
        page.setCurrentPage(currentPage);
        int totalCount = userService.count(user);
        page.setTotalCount(totalCount);
        page.setTotalPage();
        int offset=(currentPage-1)*page.getPageSize();


        List<User> users=userService.findAll(user,offset,page.getPageSize());
        model.addAttribute("page",page);
        model.addAttribute("currentPage",currentPage);
        model.addAttribute("users",users);
        return "User/list";
    }

    @RequestMapping("/toadd")
    public String toAdd(){
        return "User/add";
    }

    @RequestMapping("/addSave")
    public String addUser(User user){
        int result = userService.addUser(user);
        if(result>0){
            return "redirect:/user/list/1";
        }
        else{
            return "error";
        }
    }



    @RequestMapping("/delete/{id}")
    public String deleteUser(@PathVariable("id") int id){
        int result = userService.deleteUser(id);
        if(result>0){
            return "redirect:/user/list/1";
        }
        else{
            return "error";
        }
    }


    @RequestMapping("/toupdate/{id}")
    public String toUpdate(@PathVariable("id") int id,Model model){
        User user=userService.findUserById(id);
        model.addAttribute("user",user);
        return "User/update";
    }
    @RequestMapping("/updateSave")
    public String updateUser(User user){
        int result = userService.updateUser(user);
        if(result>0){
            return "redirect:/user/list";
        }
        else{
            return "error";
        }
    }

}
